8109525960 has 48 divisors (see below), whose sum is σ = 26355960540. Its totient is φ = 2162540160.

The previous prime is 8109525953. The next prime is 8109525971. The reversal of 8109525960 is 695259018.

8109525960 is a `hidden beast` number, since 8 + 1 + 0 + 9 + 52 + 596 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7841810916 + 267715044 = 88554^2 + 16362^2 .

It is a super-2 number, since 2×8109525960² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11262871 + ... + 11263590.

Almost surely, 2^8109525960 is an apocalyptic number.

It is an amenable number.

8109525960 is an abundant number, since it is smaller than the sum of its proper divisors (18246434580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8109525960 is a wasteful number, since it uses less digits than its factorization.

8109525960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526478 (or 22526471 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 8109525960 is about 90052.9064494867. The cubic root of 8109525960 is about 2009.0858247233.

The spelling of 8109525960 in words is "eight billion, one hundred nine million, five hundred twenty-five thousand, nine hundred sixty".